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Title: Experimental study of a VBG-based Tm : YLF slab laser at different output coupler parameters

Journal Article · · Quantum Electronics (Woodbury, N.Y.)
; ; ; ;  [1]
  1. National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001 (China)

The performance of a Tm : YLF slab laser is studied at different output coupler parameters. Use is made of a 20-mm-long a-cut slab crystal doped with 2.5 at. % thulium ions. With a volume Bragg grating and a Fabry – Perot etalon, the selected output wavelength of this Tm : YLF slab laser is 1908 nm. For the optimised output coupler with a transmission of 20% and a radius of curvature of 300 mm, the output power exceeds 74.1 W and the slope efficiency with respect to the absorbed pump power reaches 48.4%. In addition, the beam quality of the Tm : YLF slab laser is improved. (lasers)

OSTI ID:
22551268
Journal Information:
Quantum Electronics (Woodbury, N.Y.), Vol. 45, Issue 4; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7818
Country of Publication:
United States
Language:
English

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